include/shm.h

   1 #pragma once
   2
   3 #include <sys/time.h>
   4 #include <sys/types.h>
   5
   6 #include <stdio.h>
   7
   8 #include "constants.h"
   9 #include "exit.h"
  10 #include "net.h"
  11 #include "types.h"
  12
  13 void create_shm(void);
  14 void create_shm_arrays(void);
  15 void init_shm(void);
  16
  17 struct shm_s {
  18         unsigned long total_syscalls_done;
  19         unsigned long successes;
  20         unsigned long failures;
  21         unsigned long previous_count;
  22         unsigned long *child_syscall_count;
  23
  24         unsigned long regenerate;
  25         unsigned int seed;
  26         unsigned int *seeds;
  27         unsigned int reseed_counter;
  28
  29         /* Indices of syscall in syscall table that are active.
  30          * All indices shifted by +1. Empty index equals to 0.
  31          *
  32          * 'active_syscalls' is only used on uniarch. The other two
  33          * are only used on biarch. FIXME: Make this compile-time somehow? */
  34         int active_syscalls32[MAX_NR_SYSCALL];
  35         int active_syscalls64[MAX_NR_SYSCALL];
  36         int active_syscalls[MAX_NR_SYSCALL];
  37         unsigned int nr_active_syscalls;
  38         unsigned int nr_active_32bit_syscalls;
  39         unsigned int nr_active_64bit_syscalls;
  40
  41         pid_t mainpid;
  42         pid_t *pids;
  43         unsigned char *child_type;
  44
  45         pid_t last_reaped;
  46         bool spawn_no_more;
  47         unsigned char *kill_count;
  48
  49         unsigned int running_childs;
  50         struct timeval *tv;
  51
  52         FILE **logfiles;
  53
  54         int pipe_fds[MAX_PIPE_FDS*2];
  55         int file_fds[NR_FILE_FDS];              /* All children inherit these */
  56         int perf_fds[MAX_PERF_FDS];
  57         int epoll_fds[MAX_EPOLL_FDS];
  58         int eventfd_fds[MAX_EPOLL_FDS];
  59
  60         struct socketinfo sockets[NR_SOCKET_FDS];
  61
  62         /* state for the syscall currently in progress. */
  63         unsigned int *previous_syscallno;
  64         unsigned long *previous_a1;
  65         unsigned long *previous_a2;
  66         unsigned long *previous_a3;
  67         unsigned long *previous_a4;
  68         unsigned long *previous_a5;
  69         unsigned long *previous_a6;
  70
  71         unsigned int *syscallno;        /* protected by syscall_lock */
  72         unsigned long *a1;
  73         unsigned long *a2;
  74         unsigned long *a3;
  75         unsigned long *a4;
  76         unsigned long *a5;
  77         unsigned long *a6;
  78
  79         unsigned long *retval;
  80
  81         unsigned long *scratch;
  82
  83         int current_fd;
  84         unsigned int fd_lifetime;
  85
  86         /* per-child mmaps */
  87         struct map **mappings;
  88         unsigned int *num_mappings;
  89
  90         /* various flags. */
  91         bool *do32bit;                  /* protected by syscall_lock */
  92         bool do_make_it_fail;
  93         bool need_reseed;
  94         enum exit_reasons exit_reason;
  95
  96         /* locks */
  97         volatile unsigned char regenerating;
  98         volatile unsigned char reaper_lock;
  99         volatile unsigned char syscall_lock;
 100
 101         bool ready;
 102 };
 103 extern struct shm_s *shm;
 104
 105 #define SHM_OK 0
 106 #define SHM_CORRUPT 1